John C. Elder Books

Following the Brush

By John C. Elder

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Spirit and Nature

By Steven C. Rockefeller

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As featured in Bill Moyers's PBS special "Spirit and Nature", leaders from major traditions around the world speak out in this volume about what spiritual resources we may turn to in our age of unp...

Family of Earth and Sky

By John C. Elder

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Indigenous Tales of Nature from Around the WorldAn array of vivid responses to nature from indigenous oral traditions in Africa, Asia, Europe, Australia, and the Americas.

Pilgrimage to Vallombrosa

By John Elder

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.